davidgut1982/lore-mcp

Overview

An open-source MCP server that unifies knowledge management using PostgreSQL with pgvector for vector storage, knowledge graphs, and research workflows. It integrates with Claude Code to provide context-aware assistance during development sessions.

Best for

Best for
Developers using Claude Code who want a centralized, searchable knowledge base with vector and graph capabilities

Use cases

• Store and query project documentation with semantic search
• Manage research notes with vector similarity and graph relationships
• Inject relevant context into Claude Code conversations

Notes

An open-source MCP server that unifies knowledge management using PostgreSQL with pgvector for vector storage, knowledge graphs, and research workflows. It integrates with Claude Code to provide context-aware assistance during development sessions.

2 stars on GitHub. Last updated 2026-06-02. Licensed MIT.

Use cases

• Store and query project documentation with semantic search
• Manage research notes with vector similarity and graph relationships
• Inject relevant context into Claude Code conversations

Pros

• Combines vector search, graph storage, and research workflows in one server
• Leverages PostgreSQL and pgvector for scalable, well-supported infrastructure
• Open-source Python implementation that is extensible and auditable

Cons

• Requires separate PostgreSQL instance with pgvector extension
• Low GitHub stars suggest limited community adoption and potential instability
• Tightly coupled to Claude Code; may not work as smoothly with other MCP clients

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